#include<iostream>
#include<signal.h>
#include"../comm/httplib.h"
#include"oj_control.hpp"

using namespace httplib;
using namespace ns_control;

static Control *ctrl_ptr = nullptr;

void Recovery(int signo)
{
    ctrl_ptr->RecoveryMachine();
}

int main()
{
    signal(SIGQUIT,Recovery);
    //用户请求的服务路由功能
    Server svr;
    Control ctrl;
    ctrl_ptr = &ctrl;

    //获取所有的题目列表
    svr.Get("/all_questions",[&ctrl](const Request& req, Response& resp){
        //返回一张包含所有题目的html网页
        std::string html;
        ctrl.AllQuestions(&html);

        resp.set_content(html,"text/html;charset=utf-8");
        //resp.set_content("这是所有题目的列表","text/plain;charset=utf-8");
    });


    //用户要根据题目编号，获取题目的内容
    // /question/100 -> 正则匹配
    // R"()", 原始字符串raw string, 保持字符串内容的原貌，不用做相关的转义   
    svr.Get(R"(/question/(\d+))",[&ctrl](const Request& req, Response& resp){
        std::string number = req.matches[1];
        std::string html;
        ctrl.Question(number,&html);
        resp.set_content(html,"text/html;charset=utf-8");
        //resp.set_content("这是指定的一道题: "+number,"text/plain;charset=utf-8");
    });

    //用户提交代码，使用我们的判题功能(1.每道题的测试用例 2.compile_and_run)
    svr.Post(R"(/judge/(\d+))",[&ctrl](const Request& req, Response& resp){
        std::string number = req.matches[1];
        std::string result_json;
        ctrl.Judge(number,req.body,&result_json);
        resp.set_content(result_json,"application/json;charset=utf-8");
        //resp.set_content("指定题目的判题: "+number,"text/plain;charset=utf-8");
    });

    svr.set_base_dir("./wwwroot");
    svr.listen("0.0.0.0",8080);

    return 0;
}